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Activity: Exploring Histograms
Go to: http://illuminations.nctm.org/index_d.aspx?id=449 (opens a new window)
Description: The user will create their own set of data and then see how changes can occur in the mean, median, and mode and the shape of the histogram when changes are made in the data set in this activity.
Technology Type: Java Applet 
Author: NCTM: Illuminations
Language: English 
Cost: Does not require payment for use

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Tool: Histogram Tool
Courses: Math 6 Histograms, freq. dist
Math 7 Histograms, freq. dist

  Uncle Bob
Comment:The applet works well. This is a very basic intro to data, stats and the histogram. The graph automatically adjusts for added data, and the student can manipulate the horizontal scale.It has been mis-identified as a geometry lesson.